Data Collection and Scatter plots

Front

What is data collection?

Back

The process of gathering and measuring information on variables of interest in a systematic way.

Front

What is a scatter plot?

Back

A graph that displays values for typically two variables for a set of data.

Front

What does a positive correlation indicate in a scatter plot?

Back

As one variable increases, the other variable also increases.

Front

What does a negative correlation indicate in a scatter plot?

Back

As one variable increases, the other variable decreases.

Front

What does no correlation mean in a scatter plot?

Back

There is no discernible relationship between the two variables.

Front

What is a linear association?

Back

A relationship between two variables that can be represented with a straight line.

Front

What is a nonlinear association?

Back

A relationship between two variables that cannot be represented with a straight line.

Front

How do you determine the type of association in a scatter plot?

Back

By observing the direction and pattern of the points plotted.

Front

What is the purpose of using scatter plots?

Back

To visually represent the relationship between two quantitative variables.

Front

What does it mean if a scatter plot shows a cluster of points?

Back

It indicates a strong relationship between the two variables.